Finding the Fourth Proportional to 22,647.39, 31,253.61 and 13,214.13

Step by Step Solution

1. Step 1: Write the proportion equation
   22,647.39 : 31,253.61 = 13,214.13 : x
2. Step 2: Convert to fraction form
   22,647.39/31,253.61 = 13,214.13/x
3. Step 3: Cross multiply
   22,647.39x = 31,253.61 × 13,214.13
4. Step 4: Simplify right side
   22,647.39x = 412,989,265.51
5. Step 5: Solve for x
   x = 412,989,265.51/22,647.39
6. Step 6: Final answer
   x = 18,235.62